10 20 30 40 50 GAAUGCAGAUGUUACUACG-- -| AC GA AUCAA UUCU GGGG CUGGUUUCAAGUGGUG UAGAU \ AAGA CCCC GACUAAAGUUUACCAC AUCUA C AUUUAACCAACGGUACUGUUG U^ GU G- CUAAC 110 100 90 80 70 60